Home / 45,397,899.76-68,096,400.88-20,798,848.83

Finding the Fourth Proportional to 45,397,899.76, 68,096,400.88 and 20,798,848.83

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Solution

The fourth proportional to 45,397,899.76, 68,096,400.88 and 20,798,848.83 is: 31,198,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397,899.76 : 68,096,400.88 = 20,798,848.83 : x
  2. Step 2: Convert to fraction form
    45,397,899.76/68,096,400.88 = 20,798,848.83/x
  3. Step 3: Cross multiply
    45,397,899.76x = 68,096,400.88 × 20,798,848.83
  4. Step 4: Simplify right side
    45,397,899.76x = 1,416,326,747,770,198.75
  5. Step 5: Solve for x
    x = 1,416,326,747,770,198.75/45,397,899.76
  6. Step 6: Final answer
    x = 31,198,067.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.